MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains an embedded JavaScript stream and numerous external URIs pointing to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c25a2bb0661---sexumutozutefuzidadine.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abf5d0473f4---41785985428.pdf
- https://psychologgia.pl/Upload/file/33727599523.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/528cba7f5fd7b3f0b1f6ada284aca258/15607821381.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/8c582b794065b748d5b8793a7edfebd0/92327617562.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795e6ae1c55---92726966312.pdf
- https://palcev.ru/userfiles/file/40544329774.pdf
- http://veterinariacasettamattei.it/userfiles/files/22124958007.pdf
- http://chickenwild.com/upload/contents/images/images/90571769497.pdf
- https://nnkcreations.com/userfiles/file/4752939080.pdf
- http://2ds-creations.fr/userfiles/file/62122121895.pdf
- https://kuzeyilac.com/resimler/files/11567421047.pdf
- http://enjoybowlramenandpoke.com/uploads/files/3509160580.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c189150bd---duzisiwezexepewetuxiwoz.pdf
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/sozarepu.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/2h315ercn1v5sqp7m80n4umuv4/fifoxinarimetowodekiwuz.pdf
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/dadafeja.pdf
- http://vangphutai.com/images/uploads/files/mojalomogatuwepovot.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/npgnqrqe8anh5j72427aap25g8/lemonab.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/97b13ec1d94247b488596a65a917d7ca/limutaxawo.pdf
- http://daieimotors.com/js/upload/files/tofafadevejim.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fedc6ecb5---31404650418.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16086b1d457a3e---lupitanuk.pdf
- http://limoride.net/gallery/file/kopaxolawuteroxebi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+make+a+roblox+exploit+from+scratch
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e682.bin501c98d8466f7f6dffcc34ac03340653ebbcf9640034cf265c528cd4b738fa2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE682 | 17712 bytes |
font_01_sfnt_off00011529.bin53f5a024bd3eef8258af5cb50297b7682949537d6808ed410201930ebdc9d297 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11529 | 11052 bytes |
font_02_sfnt_off00012eaf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EAF | 16792 bytes |
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